Home / 74,157.32-111,238.72-38,124.14

Finding the Fourth Proportional to 74,157.32, 111,238.72 and 38,124.14

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Solution

The fourth proportional to 74,157.32, 111,238.72 and 38,124.14 is: 57,187.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,157.32 : 111,238.72 = 38,124.14 : x
  2. Step 2: Convert to fraction form
    74,157.32/111,238.72 = 38,124.14/x
  3. Step 3: Cross multiply
    74,157.32x = 111,238.72 × 38,124.14
  4. Step 4: Simplify right side
    74,157.32x = 4,240,879,883.20
  5. Step 5: Solve for x
    x = 4,240,879,883.20/74,157.32
  6. Step 6: Final answer
    x = 57,187.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.